Combined biological oxidation tower (China patent 92 10 1296. 9; U.S. Patent 08/022 35892): 1992 sinopec group Science and Technology Progress Award; 93. Science and Technology Progress Award of the State Environmental Protection Agency; 93 National Environmental Protection Agency Promotion and Application Project
Continuous adsorption electrolysis regeneration sewage treatment equipment (China patent 97 1 12804. 9)
Equipment for separating charged particles by vertical electrophoresis (China patent 97 105 169. 0)
Mechanical pulping technology of biological delignification (China patent 97 10 1537. 6) World Bank loan project of the Ministry of Communications: design of ballast water treatment renovation project of Dalian Port with an investment of180,000 yuan (1992- 1996).
Design of two-in-one ballast water treatment project for refined oil and crude oil in Dalian Port, with a total investment of 9 million yuan (1992- 1996).
World Bank Loan Project in Liaoning Province: Design of Dalian Domestic Waste Treatment Project, with a total investment of1.300 million yuan (1.993- 1.996).
The total investment of the viscose black liquor wastewater treatment project in Xinxiang Chemical Fiber Factory is more than 20 million yuan (1999-200 1).
Design of viscose black liquor wastewater treatment project in Xiangfan Chemical Fiber Factory, Hubei Province, with a total investment of 10 million yuan (2000-2002).
The total design investment of Jinxi Petrochemical Company's solid waste landfill project is140,000 yuan (200 1).